ATE521061T1 - Kapazitiver berührungsschalter mit gepulsten antennensignalen - Google Patents

Kapazitiver berührungsschalter mit gepulsten antennensignalen

Info

Publication number
ATE521061T1
ATE521061T1 AT08746261T AT08746261T ATE521061T1 AT E521061 T1 ATE521061 T1 AT E521061T1 AT 08746261 T AT08746261 T AT 08746261T AT 08746261 T AT08746261 T AT 08746261T AT E521061 T1 ATE521061 T1 AT E521061T1
Authority
AT
Austria
Prior art keywords
capacitive touch
touch switch
antenna signals
contamination
pulsed
Prior art date
Application number
AT08746261T
Other languages
English (en)
Inventor
Jeffrey Rudd
David Howie
Thomas Mignone
James Pelligrini
Levi Fox
Original Assignee
Illinois Tool Works
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Illinois Tool Works filed Critical Illinois Tool Works
Application granted granted Critical
Publication of ATE521061T1 publication Critical patent/ATE521061T1/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/96—Touch switches
    • H03K17/962—Capacitive touch switches
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/96—Touch switches
    • H03K2017/9602—Touch switches characterised by the type or shape of the sensing electrodes
    • H03K2017/9604—Touch switches characterised by the type or shape of the sensing electrodes characterised by the number of electrodes
    • H03K2017/9615—Touch switches characterised by the type or shape of the sensing electrodes characterised by the number of electrodes using three electrodes per touch switch
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
    • H03K2217/94—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated
    • H03K2217/96—Touch switches
    • H03K2217/9607—Capacitive touch switches
    • H03K2217/960705—Safety of capacitive touch and proximity switches, e.g. increasing reliability, fail-safe
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
    • H03K2217/94—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated
    • H03K2217/96—Touch switches
    • H03K2217/9607—Capacitive touch switches
    • H03K2217/960755—Constructional details of capacitive touch and proximity switches
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
    • H03K2217/94—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated
    • H03K2217/96—Touch switches
    • H03K2217/9607—Capacitive touch switches
    • H03K2217/960755—Constructional details of capacitive touch and proximity switches
    • H03K2217/960775—Emitter-receiver or "fringe" type detection, i.e. one or more field emitting electrodes and corresponding one or more receiving electrodes
AT08746261T 2007-04-20 2008-04-18 Kapazitiver berührungsschalter mit gepulsten antennensignalen ATE521061T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US91311207P 2007-04-20 2007-04-20
PCT/US2008/060812 WO2008131213A1 (en) 2007-04-20 2008-04-18 Pulsed antenna capacitive touch switch

Publications (1)

Publication Number Publication Date
ATE521061T1 true ATE521061T1 (de) 2011-09-15

Family

ID=39875919

Family Applications (1)

Application Number Title Priority Date Filing Date
AT08746261T ATE521061T1 (de) 2007-04-20 2008-04-18 Kapazitiver berührungsschalter mit gepulsten antennensignalen

Country Status (5)

Country Link
US (1) US8203466B2 (de)
EP (1) EP2137718B1 (de)
CN (1) CN201638540U (de)
AT (1) ATE521061T1 (de)
WO (1) WO2008131213A1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1995124A1 (de) * 2007-05-21 2008-11-26 IEE INTERNATIONAL ELECTRONICS & ENGINEERING S.A. Abtastsystem zum Überwachen eines vorgegebenen Raumes
FI123585B (fi) * 2009-03-25 2013-07-31 Marimils Oy Käyttöliittymä tasoanturijärjestelmään ja sen ohjaus
WO2011002594A1 (en) 2009-07-02 2011-01-06 Illinois Tool Works Inc. Brake reservoir fluid sensing system
WO2011154467A1 (en) 2010-06-08 2011-12-15 Iee International Electronics & Engineering S.A. Robust capacitive measurement system
WO2011154468A1 (en) 2010-06-08 2011-12-15 Iee International Electronics & Engineering S.A. Robust capacitive measurement system
US8988080B2 (en) 2010-06-08 2015-03-24 Iee International Electronics & Engineering S.A. Capacitive measurement system with increased robustness against electro-magnetic interference
BR112014028429A2 (pt) * 2012-05-15 2017-06-27 Thomson Licensing botão de toque capacitivo com proteção
US10983017B2 (en) * 2012-09-25 2021-04-20 Arizona Board Of Regents On Behalf Of Arizona State University Electrochemical pressure transducer
US8823399B1 (en) * 2013-10-07 2014-09-02 Cypress Semiconductor Corporation Detect and differentiate touches from different size conductive objects on a capacitive button
US10382037B2 (en) 2014-05-02 2019-08-13 Illinois Tool Works Inc. Modular capacitive touch switch system
US11075633B2 (en) * 2017-06-13 2021-07-27 Semtech Corporation Water-rejection proximity detector and method

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4103252A (en) * 1976-11-26 1978-07-25 Xerox Corporation Capacitive touch-activated transducer system including a plurality of oscillators
US4363029A (en) 1980-11-17 1982-12-07 Texas Instruments Incorporated Switch for sensing proximity of an operator
GB2137783B (en) 1983-03-10 1987-02-25 Casio Computer Co Ltd Electronic equipment with touch switches
US5053757A (en) * 1987-06-04 1991-10-01 Tektronix, Inc. Touch panel with adaptive noise reduction
US5594222A (en) * 1994-10-25 1997-01-14 Integrated Controls Touch sensor and control circuit therefor
US6320282B1 (en) 1999-01-19 2001-11-20 Touchsensor Technologies, Llc Touch switch with integral control circuit
US6246862B1 (en) * 1999-02-03 2001-06-12 Motorola, Inc. Sensor controlled user interface for portable communication device
EP1229647A1 (de) * 2001-01-26 2002-08-07 Faurecia Industries Kapazitives Betätigungselement für ein funktionelles Element, insbesondere eines Kraftfahrzeuges und Ausrüstungsstück mit einem solchen Betätigungselement
DE10117956B4 (de) * 2001-04-10 2004-04-08 Schott Glas Berührungsschalter mit einer Bedienfläche
US7361860B2 (en) * 2001-11-20 2008-04-22 Touchsensor Technologies, Llc Integrated touch sensor and light apparatus
US7466307B2 (en) 2002-04-11 2008-12-16 Synaptics Incorporated Closed-loop sensor on a solid-state object position detector
US7154481B2 (en) * 2002-06-25 2006-12-26 3M Innovative Properties Company Touch sensor
KR101152132B1 (ko) * 2005-08-04 2012-06-15 삼성전자주식회사 감지부를 내장한 액정 표시 장치

Also Published As

Publication number Publication date
WO2008131213A1 (en) 2008-10-30
US8203466B2 (en) 2012-06-19
US20100109917A1 (en) 2010-05-06
EP2137718A4 (de) 2010-07-07
EP2137718B1 (de) 2011-08-17
EP2137718A1 (de) 2009-12-30
CN201638540U (zh) 2010-11-17

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Legal Events

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